Cam and Groove Coupling, Socket, Body Material Aluminum, Type D, Coupling Size 1 in, Female, Connection Type NPT, Hose Fitting Size 1 in, FNPT, Max. Working Pressure @ 70 F 250 psi, Plug Outside Dia. 2 15/16 in, Socket Inside Diameter 1 15/32 in, Gasket Material Nitrile, Overall Length 1 13/16 in, Includes Locking Arm Yes, Thread Size 1 in -11-1/2